Duke of Medina de Rioseco
| Dukedom of Medina de Rioseco | |
|---|---|
| Creation date | 22 April 1538 |
| Created by | Charles I |
| Peerage | Peerage of Spain |
| First holder | Fernando Enríquez de Velasco, 1st Duke of Medina de Rioseco |
| Present holder | María Asunción Latorre y Téllez-Girón, 21st Duchess of Medina de Rioseco |
Duke of Medina de Rioseco (Spanish: Duque de Medina de Rioseco) is a hereditary title in the Peerage of Spain, accompanied by the dignity of Grandee and granted in 1538 by Charles I to Fernando Enríquez de Velasco, Admiral of Castile and Lord of Medina de Rioseco.